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52results about How to "Cause leakage" patented technology
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Novel tumor-targeting arboraceous polymer nano carrier of camptothecin drug
InactiveCN102429870AFinely adjustable structure sizeControllable numberOrganic active ingredientsPowder deliveryTumor targetSafe delivery
The invention belongs to the field of pharmaceutical preparations, and relates to preparation of a novel target nano carrier and application of the novel target nano carrier in a camptothecin drug targeting delivery system. The system can be represented as PAMAM-HA / drug, wherein PAMAM is polyamide amine-amine arboraceous macromolecules of different generations, HA is hyaluronic acid of different molecular weights, and the drug is one or more of camptothecin anticancer drugs such as camptothecin, 10- hydroxycamptothecine, topotecan and the like. The carrier is used for wrapping the camptothecin drugs, and has the actions of prolonging the drug blood circulation time, improving the drug bioavailability, reducing the non-tumor part concentration of the drug, reducing the drug cytotoxicity, and simultaneously protecting the lactonic rings of the camptothecin drugs from damage, thereby improving the tumor treatment efficiency from multiple aspects. The nano carrier provided by the invention has important significance in promoting the safe delivery of the camptothecin drugs and the effective treatment of tumor.
Owner:CHINA PHARM UNIV +1
Efficient grinding equipment for pipeline finish machining and polishing
InactiveCN112207643AImprove sanding effectIncrease sanding speedRevolution surface grinding machinesGrinding drivesPolishingDust control
The invention discloses an efficient grinding equipment for pipeline finish machining and polishing. The efficient grinding equipment comprises a base, a shell is fixed to the top of the base, a clamping mechanism, a grinding mechanism and a dust removal mechanism are arranged inside the shell, a driving mechanism used for driving the clamping mechanism to rotate is fixed to the top of the base, and a transmission mechanism is arranged on the outer wall of the shell above the driving mechanism. According to the efficient grinding equipment for pipeline finish machining and polishing, by arranging the driving mechanism, the clamping mechanism, the grinding mechanism and the dust removal mechanism, the phenomenon of missing grinding of the surface of a circular pipe is avoided while the circular pipe is uniformly ground, the grinding effect and the grinding speed of the circular pipe are improved, and meanwhile, the effect of efficiently removing dust in the shell is achieved.
Owner:安徽京远机械有限公司
Hydroponic method of jute
InactiveCN101715716AReduce manufacturing costEasy to makeAgriculture gas emission reductionCultivating equipmentsNutrient solutionCrop cultivation
The invention discloses a hydroponic method of jute, belonging to the technical field of crop cultivation. The method comprises the steps of: taking a plastic cultivating box with the length of 32cm, the width of 22cm and the height of 7.5cm as a cultivating container, filling hydroponic nutrient solution into the cultivating container, enwrapping the base of a seedling by a sponge strip, fixing the base of the seedling in a small hole of a foam plate by a pair of tweezers for cultivating under proper cultivating conditions. In the invention, the method is simple, the cost is low, the survival rate of the seedlings is improved to 100%, the average height of the seedling can be 10cm after transplanting seedlings for half of a month, the raw weight of ground part of the seedling is about 0.5 g / strain, the complete, healthy, clean and orderly root system can be obtained, and the difficult problems of lost root systems and polluted samples in the traditional method of soil culture can be overcome.
Owner:NANJING AGRICULTURAL UNIVERSITY
Anti-leakage safety multiple-medicine chamber transfusion bag
InactiveCN101439003ASo as not to damageRemove Weak WeldingMaterial analysis by observing effect on chemical indicatorInfusion devicesDrug productFilm material
The invention relates to a seepage-prevention safe infusion bag with a plurality of medicine chambers, which belongs to a medical infusion bag integrated with two or a plurality of medicine chambers or a mixed packaged bag of other medicines. In order to prevent the seepage of medicines between weak bonding lines (3) of medicine chambers to result in the mixing of the medicines between the medicine chambers before the infusion bag is used, the seepage-prevention safe infusion bag is provided with two or a plurality of weak bonding lines (3) with small spaces (1) between the medicine chambers (2) to separate the medicine chambers. The materials of two or a plurality of weak bonding lines (3) and the bag bodies between the small spaces are made of transparent film materials, and medicine seepage indicators are arranged in the bag bodies of the small spaces (1). The invention has the advantages that the seepage of the weak bonding lines can be conveniently observed and judged; different medicines are prevented from mixing before using; the waste of the infusion bags caused by the seepage is reduced; the reliability of the quality of the infusion bag is improved; medical malpractices are prevented; and the reliability of seepage prevention quality of the infusion bag is improved by more than geometric series, and plays an important role in guaranteeing the quality of infusion medicines for human beings.
Owner:廖大中
Metallic ore mining, grinding and separating method
ActiveCN111545288AIncrease contact areaImprove adsorption collectionMagnetic separationGrain treatmentsMagnetic separationMetal
The invention provides a metallic ore mining, grinding and separating method. The metallic ore mining, grinding and separating method involves an executing mechanism and a separating mechanism. The executing mechanism is mounted on the separating mechanism, and the executing mechanism is located over the separating mechanism. The problems that aiming at grinding and separating of mined iron ores,metal ingredients and nonmetal ingredients in the ores are distinguished, the iron ores need to be ground and smashed in the actual treatment process, the contact area of magnetic attraction is increased, the metal ingredients and the nonmetal ingredients are distinguished through magnetic separation, only single-layer magnetic attraction is achieved in the existing magnetic separation steps, theiron ores containing the metal ingredients are likely to be miss-screened in the actual ore screening process, and after multiple iron ores are adsorbed, the adsorption capacity of a magnetic attraction device is reduced to some extent, the iron ores are likely to be miss-attracted, and waste of the raw ores is caused are solved.
Owner:承德京联实业集团有限公司
Edge sewing machine locating mechanism for producing vehicle cushion
The invention discloses an edge sewing machine locating mechanism for producing a vehicle cushion, and relates to the technical field of vehicle parts. The edge sewing machine locating mechanism comprises a base plate, the left side of the upper surface of the base pate is fixedly connected with the left side face of a gear through a driving device, teeth of the gear are meshed with teeth of a toothed bar, and a connecting plate is fixedly connected to the top of the toothed bar. By means of the edge sewing machine locating mechanism for producing the vehicle cushion, through the arrangement of a motor, the gear, the toothed bar, the connecting plate, first slide sleeves, slide rods, second slide sleeves, a squeezing plate and elastic devices, an output shaft of the motor rotates reverselyto drive the gear to rotate, the gear drives the toothed bar to move downwards, the toothed bar drives the connecting plate to move downwards, and the connecting plate drives the squeezing plate to move downwards through the elastic devices to squeeze the vehicle cushion so that edges and corners of the vehicle cushion can be located in empty grooves. The problem that filler in the vehicle cushion leaks when the vehicle cushion is instable and sewed edges are not tight is solved, and convenience is brought for people to use the cushion.
Owner:嘉兴日昌汽车配件股份有限公司
Contrast agent injection device for cardiovascular angiography examination in cardiovascular medicine department and implementation method thereof
InactiveCN112755334APrevent precipitationFacilitates follow-up injectionsTransportation and packagingAutomatic syringesNuclear medicineBiomedical engineering
The invention discloses a contrast agent injection device for cardiovascular angiography examination in the cardiovascular medicine department and further discloses an implementation method of the contrast agent injection device for cardiovascular angiography examination in the cardiovascular medicine department. The contrast agent injection device comprises a contrast agent injection mechanism and a sleeve disc hydraulic driving mechanism, wherein the sleeve disc hydraulic driving mechanism is connected to the outer side of the bottom end of the contrast agent injection mechanism in a sleeving mode. According to the contrast agent injection device, before a contrast agent in an agent storage tank is input into an inner tube, a pressing air bag can be pressed in a reciprocating mode, air is input into the agent storage tank through the pressing air bag, air turbulence is caused, a rotating shaft is driven to rotate by utilizing the air flow generated by the air turbulence, the contrast agent is continuously stirred through stirring blades connected to the upper end of the rotating shaft, so that the contrast agent is prevented from precipitating and forming small blocks; and meanwhile, the contrast agent is transferred into the inner tube, so that the contrast agent can be conveniently injected subsequently, and meanwhile, the amount of the contrast agent entering the inner tube can be conveniently controlled through the length of a liquid blocking circular plate which is pulled out.
Owner:JIAMUSI UNIVERSITY
Pre-filled high-temperature sterilization syringe
PendingCN107469194AGuaranteed aseptic qualitySolving resource constraintsEnemata/irrigatorsIntravenous devicesInterference fitDrug injection
The invention belongs to the technical field of syringes, in particular suitable for a drug injection mode for animals, and discloses a pre-filled high-temperature sterilization syringe. The pre-filled high-temperature sterilization syringe comprises a tube cap, a needle tube, a push rod and a piston, wherein the part, near the handle end of the needle tube, of the needle tube is provided with a stop ring, and the front end of the needle tube is provided with an external thread; the tube cap is provided with an internal thread, and the tube cap and the needle tube are assembled through rotation of the threads; the outer diameter of the push rod is matched with the inner diameter of a handle, and the outer diameter of the piston and the inner diameter of the needle tube are in an interference fit for sealing; the stop ring is welded to the part, near the handle end of the needle tube, of the needle tube, and during assembly, the push rod runs through the inner hole of the handle and assembled with the piston so as to form a locking structure after assembly. According to the pre-filled high-temperature sterilization syringe, a filling machine is used to inject a certain amount of drug liquid through the top of the needle tube of the syringe, the tube cap and the needle tube are assembled through rotation of the threads so that sealing and locking can be achieved, and the syringe is delivered into a sterilization chamber for steam sterilization at a high temperature of 121 DEG C for 30 minutes.
Owner:石家庄鑫富达医药包装有限公司
Induction system
Owner:苏州联点数据技术有限公司
Hygienic foot basin structure for nursing on sickbed
The invention provides a hygienic foot basin structure for nursing on a sickbed. The hygienic foot basin structure comprises a storage box, inner supporting rods, an elastic suspension strap, an electric pump hood, an electric pump and a control panel. A spray gun insertion ring is welded to the peripheral side wall of a right fan supporting rod, and a spray gun is correspondingly supported and inserted into the spray gun insertion ring. The tail end of the spray gun and top ends of a water outlet pipe and a water inlet pipe of the electric pump are provided with external threads respectively,a stainless steel anti-blast shower head hose is in threaded connection between the spray gun and the water outlet pipe of the electric pump, and another stainless steel anti-blast shower head hose is in threaded connection with the water inlet pipe of the electric pump while the other end of the stainless steel anti-blast shower head hose is put in a water storage cavity in a foot basin body. Byarrangement of two arc water guide plates, after water absorption sponge completely absorb cleaning water, water in the sponge can be guided into a water receiving groove through the two arc water guide plates, and accordingly cleaning water is prevented from directly dripping to a bed through crus insertion holes.
Owner:兰玉凤
Control method of dry cleaning machine and dry cleaning machine
InactiveCN105019199APrevent leakageImprove securityDry-cleaning apparatusTextiles and paperEngineeringSolvent
The invention relates to a control method of a dry cleaning machine and a dry cleaning machine. The control method comprises steps of during the work of the dry cleaning machine, detecting concentration of dry cleaning solvent steam in a washing drum and / or a drying air path, locking a machine door when the detection value is larger than a safety value, and opening the machine door when the detection value is smaller than the safety value. The dry cleaning machine comprises a circulating air path formed by the washing drum and the drying air path communicated with the washing drum. A drying assembly is disposed in the drying air path; and a concentration sensor is disposed in the circulating air path to detect concentration value (P) of dry cleaning solvent steam contained in the air flow flowing through the concentration sensor in the circulating air path. The washing machine door can be opened and closed via detection of concentration of dry cleaning solvent air in the washing drum so as to prevent leakage of the dry clean solvent and guarantee user safety; dry cleaning machine safety can be improved; and possibility of wrong operation of the user can be lowered. The dry cleaning machine is simply structured and convenient to operate, has obvious effect and can be suitable for promotion and application.
Owner:QINGDAO HAIER DRUM WASHING MACHINE
Power cut meter position management method and power cut meter position management device
InactiveCN102855547AReduce generationAvoid lostResourcesElectronic waste recyclingMicrocomputerElectricity
The invention discloses a power cut meter position management method and a power cut meter position management device. The power cut meter position management method includes firstly, emptying the inside of old electric energy meters, and keeping appearance and wiring terminals of the old electric energy meters consistent to those of an ordinary electric energy meter to form hollow meters; secondly, mounting the hollow meters to electric energy meter positions required to be power cut; and thirdly, numbering the converted hollow meters, and recording in a microcomputer management system for unified management. The old electric energy meters are used, and accordingly making good use of waste materials is achieved, the concept of low-carbon life advocated by the society of each country is met, and waste is reduced. The hollow meters are mounted on the electric energy meter positions to be power cut, and accordingly electric shock caused by electricity larceny and private wire pulling is prevented, private information of electricity users can be protected well, and various leakages of the private information caused by stopping user switches can be avoided.
Owner:STATE GRID CORP OF CHINA +2
A dna extraction kit
ActiveCN112141505BEasy to installFirmly connectedNon-removalbe lids/coversRigid containersStructural engineeringDNA extraction
Owner:重庆问创医学检验实验室有限公司
An environment-friendly vertical machining CNC machine tool
ActiveCN112453992BIn line with the development trend of environmental protectionPrevent leakageDispersed particle filtrationFiltration separationNumerical controlAir purifiers
Owner:SHENZHEN YANG NC MACHINE TOOL
Control method of garbage can type dust collector, electronic equipment and storage medium
InactiveCN111035305AAvoid LeakageCause leakageRefuse receptaclesElectric equipment installationElectric machineryProcess engineering
The invention discloses a control method of a garbage can type dust collector, electronic equipment and a storage medium, a dust collection pipeline of the garbage can type dust collector is connectedwith a garbage can, and the method comprises the following steps: whether a dust collection request is received or not is judged, to be more specific, when the dust collection request is received, the state of a top cover of the garbage can is obtained; whether the garbage can type dust collector is closed or not is judged according to the state of the top cover of the garbage can; and if the state of the top cover is that the garbage can type dust collector is closed by the top cover, a first driving assembly of the garbage can type dust collector is started so as to start a dust collector mode. According to the method, the efficiency of the garbage can type dust collector is improved, the time of cleaning personnel is saved, a dust collection motor is started only when the top cover ofthe garbage can is closed, the effective working interval of the garbage can type dust collector is guaranteed, and the situation that garbage leaks out due to the fact that the garbage can is not closed is avoided.
Owner:BANGCHEN ENVIRONMENTAL PROTECTION TECH SUZHOU CO LTD
File protection method and device, and terminal
InactiveCN106529319AImprove information securityPrevent leakageDigital data protectionComputer hardwareUser input
The embodiment of the invention provides a file protection method and device, and a terminal. The method comprises the following steps of: when a file is detected to operate, receiving decryption information input by a user; comparing the decryption information with encryption information in the file to obtain a comparison result; according to the comparison result, judging whether the decryption information is abnormal or not; and if the decryption information is abnormal, transferring the file to a preset storage position. By use of the scheme, after the user inputs the decryption information, whether the decryption information is abnormal or not is judged through the comparison result of the decryption information and the encryption information in the file, and the file is transferred when the decryption information is abnormal. When other people carry out illegal cracking on an encrypted file, the file can be transferred, and a phenomenon that the private file of the user is illegally obtained by other people so as to cause the leakage of the private information of the user is avoided so as to improve the information security of the terminal.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
High-reliability hydrogen tank storage structure
ActiveCN113566116AAchieve a fixed purposeMeet fixedVessel mounting detailsContainer filling methodsStructural engineeringHydrogen tank
The invention provides a high-reliability hydrogen tank storage structure. The high-reliability hydrogen tank storage structure comprises a bottom plate, three clamping devices, driving mechanisms and downward pressing devices, mounting frames perpendicular to the bottom plate are arranged on the two sides of the bottom plate, each mounting frame comprises a cross beam and two stand columns, the cross beam is mounted at the tops of the two stand columns, and the bottoms of the two stand columns are connected with the bottom plate; the three clamping devices are arranged in the same horizontal direction, each clamping device is slidably mounted on the bottom plate, the sliding direction is the first direction, the first direction is perpendicular to the vertical direction, and the clamping devices are parallel to the mounting frames; the driving mechanisms are used for driving the two clamping devices at two ends to slide; and the two ends of the downward pressing devices are rotationally connected with the two mounting frames correspondingly, and the downward pressing devices are located above the clamping devices. The high-reliability hydrogen tank storage structure can store and fix hydrogen tanks with different sizes, and is good in fixing effect and high in safety.
Owner:SICHUAN HUANENG HYDROGEN TECH CO LTD +9
Disinfection device for medical instruments in delivery room
InactiveCN113181409AImprove disinfection efficiencyAvoid wastingDrying gas arrangementsLavatory sanitoryMedical equipmentDust control
A disinfection device for medical instruments in a delivery room, disclosed in the invention, comprises a device box, a disinfection box, an operation box and a base, universal wheels are movably installed at the bottom of the base, the device box is fixedly installed at the top of the base, a conveying water pump is fixedly installed at the top of a liquid storage box, and the output end of a liquid conveying pipe is communicated with a cleaning pool in a penetrating mode. And the input end of a dust removal filtering mechanism is in butt joint communication with a circulating hot air pipe, and the top of a connecting pivot is movably connected with a disinfection cover plate. The disinfection box is fixedly installed at the top of the device box, and when medical instruments are disinfected, the medical instruments can be placed through a disinfection support, so full mirror image disinfection treatment can be achieved, and the disinfection quality is guaranteed; and meanwhile, the two sides of the disinfection support are movably connected with limiting sliding grooves, the disinfection support can slide, and the space utilization rate is increased, so the disinfection efficiency of the medical equipment is improved.
Owner:程程
Shield portal expanding transformation construction method
ActiveCN112228084ADoes not affect structural boundariesShort construction periodUnderground chambersHydro energy generationEngineeringStructural engineering
The invention relates to a shield portal expanding transformation construction method. The method is used for construction that the diameter of an original portal ring is 6700 mm and the portal ring diameter reaches 7100 mm after expanding. The method comprises the following steps that (1) setting out is carried out on the center of a designed portal; (2) after positioning and setting out are completed, an original portal ring steel plate and a lining are chiseled off according to a chiseling-off line; (3) after the portal ring steel plate and a lining wall are chiseled off and finished, steelbar planting and drilling are carried out in the long side direction and the short side direction of the portal ring L-shaped steel plate; and (4) the portal ring steel plate is divided into six equal parts, the six equal parts are primarily fixed on a wall, firstly, the two ends of each steel plate are primarily fixed, the roundness and the inner diameter of the portal ring are checked and rechecked after all the steel plates are primarily fixed on the wall, and adjusting is carried out according to the rechecking result. According to the construction method, the defects and risks of a previous construction method are avoided, the workload is reduced, the construction risk is small, the strength, rigidity and waterproofness of the newly-manufactured portal ring meet the design requirements, meanwhile, the structural boundary of a station is not affected, and the construction method can be suitable for all working conditions of similar projects.
Owner:SHANGHAI FOUND ENG GRP
High-power power supply equipment state monitoring device and using method
ActiveCN112017898AAchieve fixationRealize storageEmergency protective devicesElectric power equipmentPower equipment
The invention belongs to the technical field of high-power power supply equipment monitoring and relates to a high-power power supply equipment state monitoring device and a using method. The device comprises a supporting mechanism, a safeguard mechanism, a protection mechanism and wire pressing mechanisms; the surface of the supporting mechanism is provided with the protection mechanism for controlling the switching on and switching off of a circuit; the supporting mechanism fixes the protection mechanism; the protection mechanism can rapidly replace a damaged fuse wire during emergency construction, normal operation of construction is guaranteed, and the construction speed is increased; the two wire pressing mechanisms are diagonally mounted on the surface of the supporting mechanism andcan fix wires at the two ends of the protection mechanism, so that the wires are prevented from falling off from the two ends of the protection mechanism when power equipment is used, normal power supply of the equipment is guaranteed, and electric leakage is avoided; and the safeguard mechanism is installed at the top of the supporting mechanism, so that the protection mechanism can be protectedduring outdoor construction in rainy days, and the situation that the power equipment cannot be used due to rainwater entering the power equipment is avoided.
Owner:河源市省科院研究院 +1
A flat roof modular structure
ActiveCN104005503BSimple construction methodReasonable designBuilding roofsLighting and heating apparatusScreedSurface layer
Owner:SHENYANG LIGONG UNIV
A highly reliable hydrogen tank storage structure
ActiveCN113566116BAchieve a fixed purposeMeet fixedVessel mounting detailsContainer filling methodsClassical mechanicsStructural engineering
The invention provides a high-reliability hydrogen tank storage structure, comprising: a bottom plate; two sides of the bottom plate are provided with mounting brackets perpendicular to the bottom plate, the mounting bracket includes a cross beam and two upright columns, the cross beam is installed on the top of the two upright columns, and the two The bottom of the vertical column is connected with the bottom plate; three clamping devices; the three clamping devices are arranged in the same horizontal direction, and each clamping device can be slidably installed on the bottom plate, and the sliding direction is the first direction, and the first direction is the same as the vertical direction. The straight direction is vertical, the clamping device is parallel to the mounting frame; the driving mechanism; used to drive the two clamping devices located at both ends to slide; the pressing device; above the clamping device. The invention can store and fix hydrogen tanks of different sizes, has good fixing effect and high safety.
Owner:SICHUAN HUANENG HYDROGEN TECH CO LTD +9
Water body remediation equipment
PendingCN114538734AAvoid damageCause leakageSludge treatment by de-watering/drying/thickeningSustainable biological treatmentSludgeMechanical engineering
The invention belongs to the field of water body remediation, and particularly relates to water body remediation equipment which comprises a ship body, a ventilation hole is formed in the upper portion of the ship body and can make the air pressure in the ship body equal to the atmospheric pressure, two rotating shafts are rotationally arranged below the ship body, and telescopic plates are fixedly arranged on the rotating shafts; a discharging block is fixedly arranged at the lower end of the telescopic plate close to the ventilation hole, a pesticide storage box is fixedly arranged in the ship body below the ventilation hole, a shell is fixedly arranged below the pesticide storage box, a discharging pipe connected with the shell is arranged on the rotating shaft close to one side of the ventilation hole, and the other end of the discharging pipe can be communicated to the discharging block. And underwater sludge can be sucked up and a repairing agent can be added into the underwater sludge.
Owner:崔德阳
A kind of metal ore mining grinding separation method
ActiveCN111545288BRealize the collectionIncrease contact areaMagnetic separationGrain treatmentsIronstoneMining engineering
Owner:承德京联实业集团有限公司
Repeatable user personal account password generation system and method
PendingCN114143029AGuaranteed complexityCause leakageDigital data authenticationSecuring communicationUser deviceEngineering
The invention discloses a user personal account password generation system and method capable of being repeatedly generated, and belongs to the technical field of electronic information. The system comprises user equipment which obtains a target application name of an individual user after being connected with a remote server unit, generates an account password generation request, obtains information data of the individual user after the account password generation request and the account password generation request pass verification, and transmits the information data to an account password management unit; the account management unit is used for establishing connection between the user equipment and the remote server unit, performing encryption processing on information data of an individual user, generating an encryption factor and transmitting the encryption factor to a remote server; and the remote server unit is used for receiving the account password generation request, processing the account password generation request, generating a password of the target application name of the individual user, and returning the password to the user equipment through the account password management unit. The complexity of the password is ensured, and instant generation is realized.
Owner:AEROSPACE INFORMATION
Passive building cold bridge-preventing anchor
The invention relates to a passive building cold bridge-preventing anchor. The passive building cold bridge-preventing anchor comprises a metal nail and a shell sleeving the metal nail, wherein the shell comprises a nail cap which can sleeve the tail part of the metal nail and can be detached from the tail part of the metal nail. Through arrangement of the nail cap, which can sleeve the tail part of the metal nail and can be detached from the tail part of the metal nail, on the shell, before mounting of the passive building cold bridge-preventing anchor, the nail cap is detached from the tail part of the metal nail first, and then after mounting of the passive building cold bridge-preventing anchor, the nail cap sleeves the tail part of the metal nail, so that shell destruction is prevented during mounting of the passive building cold bridge-preventing anchor, and energy leakage caused by exposure of the tail part of the metal nail is prevented.
Owner:君旺节能科技股份有限公司
Plastic pipeline plugging device
The invention relates to the technical field of pipeline plugging, and particularly relates to a plastic pipeline plugging device. The plastic pipeline plugging device comprises a middle shaft column,wherein a rotating column is arranged in the middle shaft column; a pressing disc column and a fixing disc are arranged outside the middle shaft column in a sleeving mode; an extrusion fixing disc isarranged at one end of the fixing disc; a rotating disc is arranged in the extrusion fixing disc; the middle shaft column comprises a middle shaft column body; the rotating disc comprises a rotatingblocking disc and a rotating limiting disc; the rotating limiting disc comprises a rotating sliding plate, a rotating blocking fixing plate and a rotating stop block; and a rubber soft pressing ring is connected to one side of the fixing disc. The problems that when a pipeline is damaged and leaks for first-aid repair, upstream and downstream ports of the pipeline need to be sealed, operation is inconvenient, gas and liquid in the pipeline are wasted, traditional air bag sealing cannot achieve sealing and stability in the pipeline, sliding is prone to being caused by thrust of upstream liquid,an existing pipeline plugging device is arranged on a pipeline with an internal thread or an external thread through a threaded cover, but the existing pipeline plugging device cannot play a role ina pipeline without a thread are solved.
Owner:安徽金昊天塑胶科技发展有限公司
Control method and system of battery loop water pump and vehicle
ActiveCN112780577AEnsure safetyEnsure reasonable adjustmentDesign optimisation/simulationPump controlThermodynamicsElectrical battery
The invention relates to the technical field of water pump control, and provides a control method and system of a battery loop water pump and a vehicle. The control method of the battery loop water pump comprises the steps of acquiring the temperature difference value between the target temperature and the current temperature of a battery module and the duty ratio difference value between the target duty ratio and the current duty ratio of the battery loop water pump; according to the temperature difference value and the duty ratio difference value, determining the adjusting frequency of duty ratio adjustment and adjusting information corresponding to each time of adjustment; and according to the determined adjusting frequency and the adjusting information, adjusting the current duty ratio of the battery loop water pump. According to the control method and system of the battery loop water pump and the vehicle, reasonable adjustment of the duty ratio of the battery loop water pump can be achieved, and the safety of the battery module is improved.
Owner:GREAT WALL MOTOR CO LTD
Novel sewage treatment biofilter device
InactiveCN107512747AClosely connectedFirmly connectedTreatment involving filtrationPulp and paper industrySewage treatment
The invention relates to a novel sewage treatment biofilter device. The novel sewage treatment biofilter device comprises a tank body, a supporting rod, fixed blocks and a fixed rod, wherein the tank body is connected with soil, an embedded frame is arranged at the lower part of the tank body, locating embossment grooves are formed in the two ends of the tank body, locating embossments are formed in the lower part of the supporting rod, the locating embossments are adaptive to the locating embossment grooves, the locating embossments are connected with the locating embossment grooves by virtue of locating pins, the locating embossments are inserted into the locating embossment grooves, a mounting plate is arranged at the upper part of the supporting rod, mounting embossments are formed at the two sides of the tank body, the mounting embossments are adaptive to the mounting plate, the mounting plate is connected with the mounting embossments, fixed block grooves are formed in the two sides of each mounting embossment, the fixed block grooves are adaptive to the fixed blocks, the fixed blocks are connected with the fixed block grooves, each fixed block is provided with a mounting rod, each mounting rod is connected with the mounting plate, and the mounting rods pass through the mounting plate.
Owner:天津宝舟科技有限公司
Novel internal self-lubricating gear
PendingCN107061693AReduce wearExtended service lifeGear lubrication/coolingPortable liftingReduction driveGear wheel
The invention relates to a novel internal self-lubricating gear which comprises a plurality of gear teeth. Each gear tooth is internally provided with a cavity. The engagement area of each gear tooth is provided with a plurality of first holes. A body is provided with one or more second holes. The first holes and the second holes all communicate with the cavities. The second holes are provided with one-way valves. By adoption of the novel internal self-lubricating gear, the engagement areas of the gear tooth can be automatically and continuously lubricated, the lubricating effect is improved, the lubrication area is wide, abrasion to the gear teeth is reduced, the service life of the gear is prolonged, reliability and safety of gear working are improved, the safety problem that lubricating oil is inconvenient to add during work of the gear is solved, lubricating oil waste is reduced, lubricating oil leakage caused by an oil bath mode is avoided, cost is saved, the structure is simple, machining is convenient, and the gear is particularly suitable for a low-speed heavy-load large reducer.
Owner:CHENGDU TECHCAL UNIV
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